CNN Erin Burnett OutFront April 24, 2013 06:46:00
Of devices, we know from talking to doctors, there were carpenter nails, bee bb-like devices. and then it's indiscriminate. it travels very fast. and they've behaving, in some ways, like bullets. it can cause all sorts of different injuries. yeah, it could have been a lot worse. one thing i will say when you fire a gun or a bullet, it's designed to travel a certain speed, a certain direction. this is just sort of like a scatter shock of things. >> david also talked about you hear it after it hits you. are the injuries you get from these pieces of shrapnel which are distorted and twisted, unlik...